import { renderHook, act } from '@testing-library/react';
import { useCounter } from '../use-counter';

describe('useCounter', () => {
  test('should initialize with default value', () => {
    const { result } = renderHook(() => useCounter());
    expect(result.current.count).toBe(0);
  });

  test('should initialize with given initial value', () => {
    const { result } = renderHook(() => useCounter(10));
    expect(result.current.count).toBe(10);
  });

  test('should increment the counter', () => {
    const { result } = renderHook(() => useCounter(5));

    act(() => {
      result.current.increment();
    });

    expect(result.current.count).toBe(6);
  });
});